US5096889A - Antimycotic compositions of nikkomycin compounds and azole antimycotics - Google Patents
Antimycotic compositions of nikkomycin compounds and azole antimycotics Download PDFInfo
- Publication number
- US5096889A US5096889A US07/640,769 US64076991A US5096889A US 5096889 A US5096889 A US 5096889A US 64076991 A US64076991 A US 64076991A US 5096889 A US5096889 A US 5096889A
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- US
- United States
- Prior art keywords
- carbon atoms
- substituents
- alkyl
- nikkomycin
- phenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- WWJFFVUVFNBJTN-VHDFTHOZSA-N nikkomycin Z Chemical group N1([C@@H]2O[C@@H]([C@H]([C@H]2O)O)[C@H](NC(=O)[C@@H](N)[C@H](C)[C@H](O)C=2N=CC(O)=CC=2)C(O)=O)C=CC(=O)NC1=O WWJFFVUVFNBJTN-VHDFTHOZSA-N 0.000 title claims abstract description 26
- 230000001857 anti-mycotic effect Effects 0.000 title claims abstract description 21
- 239000002543 antimycotic Substances 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 title claims description 33
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 title abstract description 32
- 241001465754 Metazoa Species 0.000 claims abstract description 9
- WWJFFVUVFNBJTN-UHFFFAOYSA-N neopolyoxin C Natural products C=1C=C(O)C=NC=1C(O)C(C)C(N)C(=O)NC(C(O)=O)C(C(C1O)O)OC1N1C=CC(=O)NC1=O WWJFFVUVFNBJTN-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 241000233866 Fungi Species 0.000 claims description 11
- AYXHZRVSIUJLAE-VHDFTHOZSA-N (2S)-2-[[(2S,3S,4S)-2-amino-4-hydroxy-4-(5-hydroxypyridin-2-yl)-3-methylbutanoyl]amino]-2-[(2R,3S,4R,5R)-5-(5-formyl-2-oxo-1H-imidazol-3-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid Chemical compound N1([C@@H]2O[C@@H]([C@H]([C@H]2O)O)[C@H](NC(=O)[C@@H](N)[C@H](C)[C@H](O)C=2N=CC(O)=CC=2)C(O)=O)C=C(C=O)NC1=O AYXHZRVSIUJLAE-VHDFTHOZSA-N 0.000 claims description 7
- AYXHZRVSIUJLAE-UHFFFAOYSA-N Nikkomycin X Natural products C=1C=C(O)C=NC=1C(O)C(C)C(N)C(=O)NC(C(O)=O)C(C(C1O)O)OC1N1C=C(C=O)NC1=O AYXHZRVSIUJLAE-UHFFFAOYSA-N 0.000 claims description 7
- VNFPBHJOKIVQEB-UHFFFAOYSA-N clotrimazole Chemical compound ClC1=CC=CC=C1C(N1C=NC=C1)(C=1C=CC=CC=1)C1=CC=CC=C1 VNFPBHJOKIVQEB-UHFFFAOYSA-N 0.000 claims description 7
- 229960004022 clotrimazole Drugs 0.000 claims description 7
- 230000037396 body weight Effects 0.000 claims description 4
- 230000000843 anti-fungal effect Effects 0.000 abstract description 4
- 229940121375 antifungal agent Drugs 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 89
- 125000000217 alkyl group Chemical group 0.000 description 69
- -1 phenoxy, phenylthio Chemical group 0.000 description 65
- 125000001424 substituent group Chemical group 0.000 description 56
- 150000001875 compounds Chemical class 0.000 description 49
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 48
- 229910052757 nitrogen Inorganic materials 0.000 description 26
- 229930184499 Nikkomycin Natural products 0.000 description 24
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 23
- 239000001257 hydrogen Substances 0.000 description 21
- 229910052739 hydrogen Inorganic materials 0.000 description 21
- 125000004433 nitrogen atom Chemical group N* 0.000 description 20
- 229910052731 fluorine Inorganic materials 0.000 description 19
- 239000011737 fluorine Substances 0.000 description 19
- 239000002253 acid Substances 0.000 description 17
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 14
- 239000000460 chlorine Substances 0.000 description 14
- 229910052801 chlorine Inorganic materials 0.000 description 14
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 13
- 125000003342 alkenyl group Chemical group 0.000 description 13
- 150000003851 azoles Chemical class 0.000 description 13
- 150000002431 hydrogen Chemical group 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 12
- 229910052736 halogen Inorganic materials 0.000 description 12
- 150000002367 halogens Chemical class 0.000 description 12
- WWJFFVUVFNBJTN-UIBIZFFUSA-N (2S)-2-[[(2S,3S,4S)-2-amino-4-hydroxy-4-(5-hydroxypyridin-2-yl)-3-methylbutanoyl]amino]-2-[(2R,3S,4S,5R)-5-(2,4-dioxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]acetic acid Chemical class C[C@@H]([C@H](N)C(=O)N[C@@H]([C@H]1O[C@H]([C@@H](O)[C@@H]1O)n1ccc(=O)[nH]c1=O)C(O)=O)[C@H](O)c1ccc(O)cn1 WWJFFVUVFNBJTN-UIBIZFFUSA-N 0.000 description 11
- 150000007513 acids Chemical class 0.000 description 11
- 125000006193 alkinyl group Chemical group 0.000 description 11
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 11
- 239000008194 pharmaceutical composition Substances 0.000 description 11
- 239000000546 pharmaceutical excipient Substances 0.000 description 11
- 125000003884 phenylalkyl group Chemical group 0.000 description 10
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 125000003545 alkoxy group Chemical group 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 241000222122 Candida albicans Species 0.000 description 7
- 125000004414 alkyl thio group Chemical group 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 7
- 125000001309 chloro group Chemical group Cl* 0.000 description 7
- 239000003814 drug Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 125000004438 haloalkoxy group Chemical group 0.000 description 6
- 125000001188 haloalkyl group Chemical group 0.000 description 6
- 125000005843 halogen group Chemical group 0.000 description 6
- 125000001624 naphthyl group Chemical group 0.000 description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 6
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 229940095731 candida albicans Drugs 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- 238000009472 formulation Methods 0.000 description 5
- 125000001072 heteroaryl group Chemical group 0.000 description 5
- 208000015181 infectious disease Diseases 0.000 description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 4
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 239000002775 capsule Substances 0.000 description 4
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- 239000008298 dragée Substances 0.000 description 4
- 125000005842 heteroatom Chemical group 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XTEGVFVZDVNBPF-UHFFFAOYSA-N naphthalene-1,5-disulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1S(O)(=O)=O XTEGVFVZDVNBPF-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 4
- 125000005359 phenoxyalkyl group Chemical group 0.000 description 4
- 239000006187 pill Substances 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 125000003107 substituted aryl group Chemical group 0.000 description 4
- 239000003826 tablet Substances 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- 125000004665 trialkylsilyl group Chemical group 0.000 description 4
- XMAYWYJOQHXEEK-OZXSUGGESA-N (2R,4S)-ketoconazole Chemical compound C1CN(C(=O)C)CCN1C(C=C1)=CC=C1OC[C@@H]1O[C@@](CN2C=NC=C2)(C=2C(=CC(Cl)=CC=2)Cl)OC1 XMAYWYJOQHXEEK-OZXSUGGESA-N 0.000 description 3
- JHSNSAFVQQRHAD-UHFFFAOYSA-N 1-(1h-imidazol-2-yl)propan-2-ol Chemical class CC(O)CC1=NC=CN1 JHSNSAFVQQRHAD-UHFFFAOYSA-N 0.000 description 3
- AHFIWOXBOQEEJE-UHFFFAOYSA-N 1-(4-chlorophenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-ylmethyl)butan-2-ol Chemical compound C1=NC=NN1CC(O)(C(C)(C)C)CC1=CC=C(Cl)C=C1 AHFIWOXBOQEEJE-UHFFFAOYSA-N 0.000 description 3
- YISBZEHDZGEDBC-UHFFFAOYSA-N 1-cyclopropyl-1,2-bis(1h-pyrrol-2-yl)ethanol Chemical class C1CC1C(C=1NC=CC=1)(O)CC1=CC=CN1 YISBZEHDZGEDBC-UHFFFAOYSA-N 0.000 description 3
- YVSIWCWUDYLGKU-UHFFFAOYSA-N 1-cyclopropyl-2-(1h-pyrrol-2-yl)ethanol Chemical class C1CC1C(O)CC1=CC=CN1 YVSIWCWUDYLGKU-UHFFFAOYSA-N 0.000 description 3
- XBVPIPOORLGFGK-UHFFFAOYSA-N 2-(1h-pyrrol-2-yl)ethanol Chemical class OCCC1=CC=CN1 XBVPIPOORLGFGK-UHFFFAOYSA-N 0.000 description 3
- XFRARPYNZASLSW-UHFFFAOYSA-N 2-[4-(2-fluorophenyl)-3h-1,2,4-triazol-2-yl]-1-(1-methylsulfinylcyclopropyl)ethanol Chemical compound C1N(C=2C(=CC=CC=2)F)C=NN1CC(O)C1(S(=O)C)CC1 XFRARPYNZASLSW-UHFFFAOYSA-N 0.000 description 3
- 229920002101 Chitin Polymers 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- ORTFAQDWJHRMNX-UHFFFAOYSA-N hydroxidooxidocarbon(.) Chemical group O[C]=O ORTFAQDWJHRMNX-UHFFFAOYSA-N 0.000 description 3
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- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
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- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 description 3
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- OCAPBUJLXMYKEJ-UHFFFAOYSA-N 1-[biphenyl-4-yl(phenyl)methyl]imidazole Chemical compound C1=NC=CN1C(C=1C=CC(=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 OCAPBUJLXMYKEJ-UHFFFAOYSA-N 0.000 description 2
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- GOVOSHDWVQNDFU-UHFFFAOYSA-N 2-(oxiran-2-yl)-1h-pyrrole Chemical class C1OC1C1=CC=CN1 GOVOSHDWVQNDFU-UHFFFAOYSA-N 0.000 description 2
- VHVPQPYKVGDNFY-DFMJLFEVSA-N 2-[(2r)-butan-2-yl]-4-[4-[4-[4-[[(2r,4s)-2-(2,4-dichlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazin-1-yl]phenyl]-1,2,4-triazol-3-one Chemical compound O=C1N([C@H](C)CC)N=CN1C1=CC=C(N2CCN(CC2)C=2C=CC(OC[C@@H]3O[C@](CN4N=CN=C4)(OC3)C=3C(=CC(Cl)=CC=3)Cl)=CC=2)C=C1 VHVPQPYKVGDNFY-DFMJLFEVSA-N 0.000 description 2
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- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
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- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
Definitions
- the invention is related to antimycotic compositions comprising fungicidally effective amounts of a nikkomycin and an azole antimycotic, the preparation of such compositions and to methods of treating infections of fungi by administering therapeutically effective amounts of such compositions.
- albicans was found to be more sensitive to nikkomycins than polyoxins (see Yadan et al, J. Bacteriol. 160:884-888, 1984) but the concentrations necessary for killing that yeast would (for toxicity reasons) preclude there use as chemotherapeutic agents for yeast infections (see Hector and Braun, Antimicrobial Agents Chemother., 29:389-394, 1986).
- nikkomycin compounds in combination with antimycotically active azoles are efficacious in treating fungal infections.
- the achieved antifungal effect is a synergistic effect based on combining the nikkomycins with the azoles.
- the invention is related to an antimycotic composition
- an antimycotic composition comprising a fungicidally effective amount of a nikkomycin and an azole.
- a preferred object of the present invention are antimycotic compositions containing nikkomycin and azoles more specifically described in GB-PS 1 351 542, CA-PS 925 504, CA-PS 946 391, AU-PS 542 110, AU-PS 551 411, U.S. Pat. Nos. 301,166, 4,381,306, 4,246,274, 4,238,498, 4,207,328, 3,968,229 and DE-OS 3 242 249 which are incorporated into this patent application by reference.
- Another preferred embodiment of the present invention are antimycotic compositions containing nikkomycins and azoles described in the following paragraphs.
- Diazolylalkyl-carbinol of the general formula ##STR1## in which A represents a nitrogen atom or the CH group,
- B represents a nitrogen atom or the CH group
- X represents hydrogen or alkyl
- Y represents alkyl, or alkenyl, alkinyl or optionally substituted benzyl, if X represents hydrogen
- R represents optionally substituted phenyl or the grouping ##STR2## wherein Alk 1 represents alkyl and
- Alk 2 represents alkyl
- Alk 1 and Alk 2 together represent a cycloaliphatic ring
- R 1 represents alkyl, alkenyl or in each case optionally substituted phenyl, phenylalkyl, phenoxy, phenylthio, phenoxyalkyl, phenylthioalkyl, benyloxy or benzylthio,
- the compounds of the formula (I) sometimes have two asymmetric carbon atoms. In this case, they can exist in two geometric isomer forms.
- the substituted diazolylalkyl-carbinols of the formula (I) are obtained by a process in which azolyl-oxiranes of the formula (I) are obtained by a process in which azolyl-oxiranes of the formula ##STR3## in which
- A has the abovementioned meaning, in the presence of a diluent and if appropriate in the presence of a base.
- A represents a nitrogen atom or the CH group
- B represents a nitrogen atom or the CH group
- X represents hydrogen or straight-chain or branched alkyl with 1 to 6 carbon atoms
- Y represents straight-chain or branched alkyl with 1 to 6 carbon atoms; or, if X represents hydrogen, also straight-chain or branched alkenyl or alkinyl with in each case 3 to 6 carbon atoms or benzyl which is optionally mono-, di- or trisubstituted in the phenyl part by identical or different substituents, substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkoxythio with in each case 1 to 4 carbon atoms, halogenalkyl, halogenalkoxy and halogenoalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro- and cyano; and
- R represents phenyl which is optionally mono- di-or tri-substituted by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 to 4 carbon atoms, halogenalkyl, halogenoalkoxy and halogenalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro, cyano, hydroxyl, hydroxycarbonyl, alkoxycarbonyl with 1 to 4 carbon atoms in the alkyl part, hydroximinoalkyl with 1 to 4 carbon atoms, alkoximinoalkyl with 1 to 4 carbon atoms in each alkyl part and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by halogen and/or al
- F preferably represents the grouping ##STR5## wherein Alk 1 represents straight-chain or branched alkyl with 1 to 4 carbon atoms; and
- Alk 2 represents straight-chain or branched alkyl with 1 to 4 carbon atoms
- Alk 1 and Alk 2 together with the carbon atom to which they are bonded, represent a 3-membered to to 7-membered cycloaliphatic ring;
- R 1 represents straight-chain or branched alkyl with 1 to 6 carbon atoms, alkenyl with 2 to 4 carbon atoms, or phenyl, phenylalkyl with 1 to 4 carbon atoms in the alkyl part, phenoxy, phenylthio, phenoxyalkyl with 1 to 4 carbon atoms in the alkyl part, phenyl, thioalkyl with 1 to 4 carbon atoms in the alkyl part, benzyloxy or benzylthio, each of which is optionally mono-, di- or tri-substituted in the phenyl part by identical or different substituents, preferred possible substituents being the substituents on phenyl already mentioned for R.
- A represents a nitrogen atom or the CH group
- B represents a nitrogen atom or the CH group
- X represents hydrogen or straight-chain or branched alkyl with 1 to 4 carbon atoms
- Y represents straight-chain or branched alkyl with 1 to 4 carbon atoms; or, if X represents hydrogen, also allyl, methallyl, propargyl, methylpropargyl or benzyl which is optionally mono- or di-substituted in the phenyl part by identical or different substituents, substituents which may be mentioned being; fluorine, chlorine, bromine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, nitro and cyano; R represents phenyl which is optionally mono- or di-substituted by identical or different substituents, substitutents which may be mentioned being: fluorine, chlorine, bromine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio,
- Alk 2 represents methyl or ethyl
- Alk 1 and Alk 2 together with the carbon atom to which they are bonded, represent cyclobutyl, cyclopentyl or cyclohexyl;
- R 1 represents methyl, ethyl, n-propyl, i-propyl, n-butyl, neopentyl, or phenyl, benzyl, phenethyl, phenoxy, phenylthio, phenoxymethyl, phenoxyethyl, phenylthiomethyl, phenylthioethyl, benzyloxy or benzylthio, each of which is optionally mono- or di-substituted in the phenyl part by identical or different substituents, possible substituents being the substituents on phenyl which have already been mentioned for R.
- Preferred acids which can be added on include hydrogen halide acids, such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid, and furthermore phosphoric acid, nitric acid, monofunctional and bifunctional carboxyclic acids and hydroxycarboxylic acids, such as, for example acetic acid, maleic acid, succinic acid, fumaric acid, tartaric acid, citric acid, salicyclic acid, sorbic acid and lactic acid, and sulphonic acids, such as o-toluenesulphonic acid and 1,5-naphthalenedisulphonic acid.
- hydrogen halide acids such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid
- phosphoric acid phosphoric acid
- nitric acid monofunctional and bifunctional carboxyclic acids and hydroxycarboxylic acids
- sulphonic acids such as o-toluenesulphonic acid and 1,5-naphthalenedisulphonic acid.
- Alk 2 represents straight-chain or branched alkyl
- Alk 1 and Alk 2 together represent a cycloaliphatic ring
- X represents a nitrogen atom or the CH group
- Y represents a nitrogen atom or the CH group
- R represents in each case optionally substituted phenyl, phenylalkyl, phenoxy, phenylthio, phenoxyalkyl, phenylthioalkyl, benzyloxy or benzylthio,
- the substituted 1,3-diazolyl-2-propanols of the formula (I') are obtained by a process in which 2-azolylmethyl-oxiranes of the formula ##STR8## in which Alk 1 , Alk 2 , R and X have the abovementioned meaning, are reacted with azoles of the formula ##STR9## in which Y has the abovementioned meaning, in the presence of a diluent and, if appropriate, in the presence of a base.
- the compounds of the general formula (I') in which R represents in each case optionally substituted phenylthio, phenylthioalkyl or benzylthio can be oxidized to the corresponding SO or SO 2 derivatives in the customary manner.
- Formula (I) provides a general definition of the substituted 1,3-dazolyl-2-propanols useful according to the invention.
- this formula Preferably, in this formula,
- Alk 1 represents straight-chain or branched alkyl with 1 to 4 carbon atoms
- Alk 2 represents straight-chain or branched alkyl with 1 to 4 carbon atoms
- Alk 1 and Alk 2 together represent a 3-membered to 7-membered cycloaliphatic ring
- X represents a nitrogen atom or the CH group
- R represents phenyl, phenylalkyl with 1 to 4 carbon atoms in the alkyl part, phenoxy, phenyl-thio, phenoxyalkyl with 1 to 4 carbon atoms in the alkyl part, phenylthioalkyl with 1 to 4 carbon atoms in the alkyl part, benzyloxy or benzylthio, each of which is optionally mono-, di- or tri-substituted in the phenyl part by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 to 4 carbon atoms, halogenoalkyl, halogenoalkoxy and halogenoalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro, cyano, hydroxy
- Particularly preferred compounds of the formula (I') are those in which
- Alk 1 represents methyl or ethyl
- Alk 2 represents methyl or ethyl
- Alk 1 and Alk 2 together with the carbon atom to which they are bonded, represent cyclobutyl, cyclopentyl or cyclohexyl,
- X represents a nitrogen atom or the CH group
- Y represents a nitrogen atom or the CH group
- R represents phenyl, benzyl, phenethyl, phenoxy, phenylthio, phenoxymethyl, phenoxyethyl, phenylthiomethyl, phenylthioethyl, benzyloxy or benzylthio, each of which is optionally mono- or disubstituted in the phenyl part by identical or different substituents, substituents which may be mentioned being: fluorine, chlorine, bromine, methyl, isopropyol, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, nitro, cyano, hydroxyl, hydroxycarbonyl, methoxycarbonyl, ethoxycarbonyl, hydroximinoethyl, 1-hydroximinoethyl, methoximinomethyl, 1-methoxyiminoethyl, and phenyl, phenoxy,
- R represents hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substituted phenylalkyl or the acyl radical
- X represents a nitrogen atom or the CH group
- Y represents a nitrogen atom or the CH group, and their acid addition salts have good antimicrobial, in particular antimycotic, properties.
- substituted azolycyclopropyl-azolylmethyl-carbinol derivatives of the formula (I") which are to be used according to the invention show a good spectrum of action in certain areas of indication.
- Ar preferably represents phenyl which optionally has one or several, identical or different, substituents, the substituents which may be mentioned as being preferred being: halogen, alkyl, alkoxy and alkylthio each having 1 to 4 carbon atoms; halogenalkyl, halogenalkoxy and halogen-alkylthio each having 1 to 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as fluorine and chlorine atoms; as well as phenyl or phenoxy each of which is optionally substituted by alkyl having 1 or 2 carbon atoms and/or halogen; and furthermore represents naphthyl and a 5- to 6-membered heteroaromatic which optionally has one or several, identical or different, substituents and nitrogen, oxygen and/or sulphur as the heteroatoms, the suitable substituents which are preferred being the abovementioned phenyl substituents;
- R preferably represents hydrogen, straight-chain or branched alkyl having 1 to 4 carbon atoms, straight-chain or branched alkenyl and alkinyl each having 2 to 4 carbon atoms, trialkylsilyl having 1 to 4 carbon atoms in each alkyl moiety, alkylcarbonyl having 1 to 4 carbon atoms in the alkyl moiety, and represents phenylalkyl which optionally has one or several, identical or different, substituents, with 1 to 2 carbon atoms in the alkyl moiety, the suitable substituents which are preferred being the phenyl substituents already mentioned for Ar; and
- X and Y represent the meanings given in the definition of the invention.
- Particularly preferred compounds of the formula (I") are those in which
- Ar represents phenyl which optionally has one to three, in particular one or two, identical or different substituents, the substituents which may be mentioned being: fluorine, chlorine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trefluormethyl, trifluoromethoxy, trifluoromethylthio, and phenyl or phenoxy each of which is optionally substituted by fluorine, chlorine and/or methyl; furthermore represents naphtyl and represents furyl, thienyl, pyridinyl or pyrimidinyl, each of which optionally has one or two, identical or different, substituents, suitable substituents being the abovementioned phenyl substituents;
- R 1 represents hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, allyl, propargyl, trimethylsilyl, methylcarbonyl, ethylcarbonyl, n-propylcarbonyl, isopropylcarbonyl, n-butylcarbonyl, isobutylcarbonyl, and represents benzyl which optionally has one to three, in particular one or two, identical or different substituents, suitable substituents which are preferred being the phenyl substituents already mentioned for Ar; and
- X and Y represent the meanings given in the definition of the invention.
- Preferred compounds according to the invention are also addition products of acids and those substituted azolylcyclopropyl-azolylmethyl-carbinol derivatives of the formula (I")in which Ar, R, X and Y have the meanings which have already been mentioned as preferred for these radicals.
- R 1 represents hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substituted phenylalkyl or the acyl radical
- R 2 represents halogen, cyano, thiocyano, alkyl-carbonyloxy, alkylcarbonylthio or the groups --X--R 3 and --Nr 4 R 5 , as well as hydrogen when Ar represents optionally substituted heraryl,
- R 3 represents alkyl, cycloalkyl, alkenyl, alkinyl, hydroxyalkyl, carboxyalkyl, alkoxycarbonylalkyl, optionally substituted aryl, optionally substituted aralkyl, or the radical of the formula --CH 2 --CH 2 --O ##STR12##
- R 4 and R 5 are identical or different and represent hydrogen or alkyl, and, together with the nitrogen atom to which they are bonded, represent an optionally substituted cycloaliphatic ring which optionally contains other heteroatoms,
- X represents oxygen, sulphur, the SO or SO 2 group, and
- Y represents a nitrogen atom or the CH group, and their acid addition salts, have good antimicrobial, in particular antimycotic, properties.
- Ar preferably represents phenyl which optionally has one or several, identical or different, substituents, the substituents which may be mentioned as being preferred being: halogen, alkyl, alkoxy and alkylthio each having 1 to 4 carbon atoms; halogenalkyl, halogenalkoxy and halogenalkylthio each having 1 to 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as fluorine and chlorine atoms; as well as phenyl or phenoxy each of which is optionally substituted by alkyl having 1 or 2 carbon atoms and/or halogen; and furthermore represents naphthyl and a 5- to 6-membered heteroaromatic which optionally has one or several, identical or different, substituents and nitrogen, oxygen and/or sulphur as the heteroatoms, the suitable substituents which are preferred being the above mentioned phenyl substituents;
- R 1 preferably represents hydrogen, straight-chain or branched alkyl having 1 to 4 atoms, straight-chain or branched alkenyl and alkinyl, each having 2 to 4 carbon atoms, trialkylsilyl having 1 to 4 carbon atoms in each alkyl part, alkylcarbonyl having 1 to 4 carbon atoms in the alkyl part, and phenylalkyl which has one or two carbon atoms in the alkyl part and is optionally monosubstituted or polysubstituted by identical or different substiutents, preferred substituents being the phenyl substituents already mentioned for Ar,
- R 2 preferably represents fluorine, chlorine, bromine, cyano, thiocyano, alkylcarbonyloxy having 1 to 4 carbon atoms in the alkyl part, alkyl-carbonylthio having 1 to 4 carbon atoms in the alkyl part, or the groupings --X--R 3 and --NR 4 R 5 ,
- R 3 preferably represents straight-chain or branched alkyl having 1 to 18 carbon atoms, cycloalykyl having 3 to 8 carbon atoms, straight-chain or branched alkenyl having 2 to 18 carbon atoms, straight-chain or branched alkinyl having 2 to 18 carbon atoms, hydroxyalkyl having 1 to 18 carbon atoms, alkylthioalkyl having 1 to 6 carbon atoms in the alkylthio part and 1 to 6 carbon atoms in the alkyl part, carboxylalkyl having 1 to 18 carbon atoms in the alkyl part, alkoxycarbonylalkyl having 1 to 6 carbon atoms in the alkoxy part and 1 to 6 carbon atoms in the alkyl part, and phenyl or phenylalkyl having 1 to 2 carbon atoms in the alkyl part, each of which is optionally monosubstituted or polysubstituted by identical or different substituents, preferred substituents in each case
- R 3 represents the radical of the formula --C 4 H 2 --CH 2 --O ##STR13##
- R 4 and R 5 independently of one another preferably represent hydrogen or straight-chain or branched alkyl having 1 to 4 carbon atoms, or
- R 4 and R 5 together with the nitrogen atom to which they are bonded, preferably represent a 5-membered or 6-membered ring which is optionally substituted by alkyl having 1 to 4 carbon atoms or alkylcarbonyl having 1 to 4 carbon atoms in the alkyl part, and can contain oxygen, sulphur and/or nitrogen as further heteroatoms, and
- X preferably represents hydrogen when Ar represents an optionally substituted 5-membered or 6-membered heteroaromatic
- Y preferably represents nitrogen or a CH group.
- Particularly preferred compounds of the formula (I"") are those in which
- Ar represents phenyl which is optionally mono-substituted to trisubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, the following being mentioned as substituents: fluorine, chlorine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, and phenyl or phenoxy, each of which is optionally substituted by fluorine, chlorine and/or methyl; and furthermore represents naphthyl, and represents furyl, thienyl, pyridinyl or pyrimidinyl, each of which is optionally monosubstituted or disubstituted by identical or different substituents, suitable substituents being the above mentioned phenyl substituents;
- R 2 represents hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, allyl, propargyl, trimethylsilyl, methylcarbonyl, ethylcarbonyl, n-propyl-carbonyl, isopropylcarbonyl, n-butyl-carbonyl, isobutylcarbonyl, and benzyl which is optionally monosubstituted or disubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, preferred substituents being the phenyl substituents already mentioned as being preferred for Ar,
- R 2 represents fluorine, chlorine, bromine, cyano, thiocyano, methylcarbonyloxy, ethylcarbonyloxy, n-propylcarbonyloxy, isopropylcarbonyloxy, n-butyl-carbonyloxy, isobutylcarbonyloxy, methylcarbonylthio, ethylcarbonylthio, n-propylcarbonylthio, isopropylcarbonylthio, n-butylcarbonylthio, isobutylcarbonylthio or the groupings --X--R 3 or --NR 4 R 5 ;
- R 3 represents straight-chain or branched alkyl having 1 to 12 carbon atoms, cycloalkyl having 5 to 7 carbon atoms, straight-chain or branched alkenyl having 2 to 12 carbon atoms, straight-chain or branched alkinyl having 2 to 12 carbon atoms, hydroxyalkyl having 1 to 12 carbon atoms, in the alkylthio part and 1 to 4 carbon atoms in the alkyl part; carbonylalkyl having 1 to 12 carbon atoms in the alkyl part, alkoxycarbonyalkyl having 1 to 4 carbon atoms in the alkoxy part and 1 to 4 carbon atoms in the alkyl part, and phenyl or benzyl, each of which is optionally monosubstituted to trisubstituted, in particular monosubstituted to trisubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, suitable substituents being the phenyl substitu
- R 3 represents the radical of the formula --CH 2 --CH 2 ##STR14##
- R 4 and R 5 independently of one another represent hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl, or
- R 4 and R 5 together with the nitrogen atom to which they are bonded, represent piperidinyl, piperazinyl or morpholinyl each of which is optionally substituted by methyl, ethyl, methylcarbonyl or ethylcarbonyl, and
- X represents oxygen, sulphur, an SO group or an SO 2 group, and furthermore
- R 2 also represents hydrogen when Ar represents one of the above mentioned optionally substituted heteroaromatics
- Y represents nitrogen or a CH group.
- hydrohalic acids such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid, also phosphoric acid, nitric acid, sulphuric acid, monofunctional and bifunctional carboxylic acids and hydroxycarboxylic acids such as, for example, acetic acid, maleic acid, succinic acid, fumaric acid, tartaric acid, citric acid, salicylic acid, sorbic acid and lactic acid, as well as sulphonic acids such as, for example p-toluenesulphonic acid, 1,5-naphthalene-disulphonic acid and camphorsulphonic acid.
- hydrohalic acids such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid, also phosphoric acid, nitric acid, sulphuric acid, monofunctional and bifunctional carboxylic acids and hydroxycarboxylic acids such as, for example, acetic acid, maleic acid, succinic acid, fumaric acid, tarta
- Ar represents optionally substituted aryl
- Y represents a direct bond or the groupings --CH 2 --, --CH 2 --CH 2 --, --OCH 2 --, --SCH 2 --, --CH ⁇ CH-- or --C.tbd.C--,
- X represents a nitrogen atom or the CH group
- Z represents oxygen or the NOR 2 group
- R 2 represents hydrogen, alkyl, alkenyl, alkinyl, optionally substituted aralkyl or optionally substituted cycloalkylalkyl,
- the compounds of the formula (I"") have an asymmetric carbon atom and can therefore be obtained in the two optical isomer forms.
- hydroxyethyl-azole derivatives of the formula (I") to be used according to the invention have a good action spectrum.
- Formula (I"" provides a general definition of the hydroxyethyl-azole derivatives according to the invention.
- this formula Preferably, in this formula,
- R 1 represents straight-chain or branched alkyl with 1 to 6 carbon atoms or the grouping Ar--Y;
- Ar represents naphthyl, or phenyl which is optionally monosubstituted or polysubstituted by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 or 2 carbon atoms, nitro, halogenalkyl, halogenalkoxy and halogenalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical different halogen atoms, such as, preferably, fluorine and chlorine atoms, the --CH.tbd.NOR 2 radical, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by halogen and/or alkyl with 1 or 2 carbon atoms;
- X represents a nitrogen atom or the CH group
- Y represents a direct bond or the groupings --CH 2 --, --CH 2 CH 2 --, --OCH 2 --, --SCH 2 --, --CH ⁇ CH-- or --C.tbd.C--;
- Z represents oxygen or the NOR 2 group
- R 2 represents hydrogen, straight-chain or branched alkyl with 1 to 6 carbon atoms, alkenyl or alkinyl with in each case 2 to 6 carbon atoms, or phenylalkyl which has 1 or 2 carbon atoms in the alkyl part and is optionally monosubstituted or polysubstituted by identical or different substituents, possible substituents on the phenyl being the substituents on phenyl which have already been mentioned in the case of Ar; or represents cycloalkylmethyl which has 5 or 6 carbon atoms in the cycloalkyl part and is optionally mono-, di- or tri-substituted by identical or different alkyl radicals with 1 to 3 carbon atoms.
- Particularly preferred compounds of the formula (I) are those in which
- R 1 represents straight-chain alkyl with 1 to 6 carbon atoms or the grouping Ar--Y--;
- Ar represents naphthyl, or represents phenyl which is optionally mono, di- or tri-substituted by identical or different substituents, substituents which may be mentioned being: fluorine, chlorine, methyl, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, methoximinomethyl, ethoxyiminomethyl and allyloximinomethyl, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by chlorine and/or methyl;
- X represents a nitrogen atom or the CH group
- Y represents a direct bond or the groupings --CH 2 --, --CH 2 CH 2 --, --OCH 2 --, --SCH 2 --, --CH ⁇ CH-- or --C.tbd.C--;
- Z represents oxygen or the NOR 2 group
- R 2 represents hydrogen, methyl, ethyl, n-propyl, n-butyl, allyl or propargyl, or represents benzyl which is optionally mono-, di- or tri-substituted by identical or different substituents from the group comprising fluorine, chlorine, methyl, trifluoromethyl and trifluoromethoxy, or represents cyclohexylmethyl which is optionally substituted by methyl or ethyl.
- compositions comprising a fungicidally effective amount of a nikkomycin selected from the group consisting of nikkomycin Z, Z H , Z t , X, X t , B, B x , C and C x and an antimycotically active and optionally orally applicable azole antimycotic.
- a nikkomycin selected from the group consisting of nikkomycin Z, Z H , Z t , X, X t , B, B x , C and C x and an antimycotically active and optionally orally applicable azole antimycotic.
- antimycotic compositions comprising an azole selected from the group consisting of ketoconazole, itraconazole, fluconazole, clotrimazole, miconazole, bifonazole, 1-(4-chlorphenyl)-2-methyl-2-methoximo-methyl-1-(1,2,4-triazol-1-yl-methyl-1-propanol, 1-(4-chlorphenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-yl-methyl)-2-butanol and 4-(fluorphenyl)-(1-methylsulfinyl-1-cyclopropyl)-(1,2,4-triazol-1-yl-methyl)-methanol are preferred.
- the antimycotic compositions according to the invention contain a fungicidally effective amount of the nikkomycin and an azole in a ratio of 1:1 to 30:1, preferably 3:1 to 10:1.
- antimycotic compositions comprising a fungicidally effective amount of nikkomycin Z and an azole selected from the group consisting of ketoconazole, itraconazole, fluconazole, clotrimazole, miconazole, bifonazole, 1-(4-chlorphenyl)-2-methyl-2-methoximo-methyl-1-(1,2,4-triazol-1-yl-methyl-1-propanol, 1-(4-chlorphenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-yl-methyl)-2-butanol and 4-(fluorphenyl)-(1-methylsulfinyl-1-cyclopropyl)-(1,2,4-triazol-1-yl-methyl)-methanol and, moreover, the antimycotic compositions comprising a fungicidally effective amount of mikkomycin Z and 1(4-chlorphenyl)-2-methyl-2-methoxi
- a further embodiment of the invention are nikkomycins in combination with antimycotically active and optionally orally applicable azoles for use in a method for therapeutical treatment of the human or animal body infected with fungi.
- the invention is also related to the use of nikkomycins in combination with antimycotically active and optionally orally applicable azoles for the preparation of antimicotically active pharmaceutical compositions and to a process for the preparation of antimycotically active pharmaceutical compositions comprising mixing a combination of a fungicidally effective amount of a nikkomycin and an azole with a solid or liquid diluent and/or carrier or other auxiliaries useful for the preparation of pharmaceutical compositions, said nikkomycin and azole preferably being present in a ratio of 1:1 to 30:1.
- the invention is also related to a method of treating human or non-human animals infected with fungi, the method comprising administering to the human or non-human animal therapeutically effective amounts of a nikkomycin and an azole antimycotic.
- the invention is related to the method comprising administering to the human or non-human animal of from 1 mg/kg to 1000 mg/kg, preferably 10 mg/kg to 100 mg/kg of body weight per day of a nikkomycin and an azole antimycotic of the above identified type and to a method comprising administering the nikkomycin and the azole antimycotic in a ratio of 1:1 to 30:1.
- compositions to the invention are orally administered, but may be administered parenterally or via inhalation of an aerosilized preparation.
- compositions according to the invention possess a very broad antimycotic ation spectrum especially against dermatophytes and yeasts as well as biphasic fungi, for example against varieties of Candida, such as Candida albicans, varieties of Epidermophyton floccusum, varieties of Aspercillus, such as Aspercillus niger and Aspercillus fumigatus, varieties of Trichophyton, such as Trichophyton mentagrophytes, varieties of Micorsporon, such as Microsporon felineum and varieties of Torulopsis, such as Torulpsis glabrata, and Coccidiodes immitis, Histoplasma capsulatum, and Blastomyces dermatitidis.
- the listing of these micro-organisms in no way implies a limitation of the germs which can be combated but is only of illustrative character.
- Examples which may be mentioned of fields of indication in human medicine are: dermatomycoses and systemic mycoses caused by Trichophyton mentagrophytes and other varieties of Trichophyton, varieties of Microsporon, Epidermophyton floccosum, yeasts and biphase fungi as well as moulds.
- the present invention includes pharmaceutical formulations which, in addition to non-toxic, inert pharmaceutically suitable excipients, contain one or more active compounds according to the invention, or which consist of one or more active compounds according to the invention, as well as processes for the preparation of these formulations.
- the present invention also includes pharmaceutical formulations in dosage units.
- the formulations are in the form of individual parts, for example tablets, dragees, capsules, pills, suppositories and ampoules, of which the contents of active compound corresponds to a fraction or a multiple of an individual dose.
- the dosage units can contain, for example, 1, 2, 3 or 4 individual doses or 1/2, 1/3 or 1/4 or an individual dose.
- An individual dose preferably contains the amount of active compound which is given in one administration and which usually corresponds to a whole, a half, a third or a quarter of a daily dose.
- non-toxic, inert pharmaceutically suitable excipients there are to be understood solid, semi-solid or liquid diluents, fillers and formulation auxiliaries of every kind.
- Tablets, dragees, capsules, pills, granules, suppositories, solutions, suspensions and emulsions, pastes, ointments, gels, creams lotions, powders and sprays may be mentioned as preferred pharmaceutical formulations.
- Tablets, dragees, capsules, pills and granules can contain the active compound or compounds alongside the customary excipients, such as (a) fillers and extenders, for example starches, lactose, sucrose, glucose, mannitol and silica, (b) binders, for example carboxy-methylcellulose, alginates, gelatine and polvinyl-pyrrolidone, (c) humectants, for example glycerol, (d) disintegrating agents, for example agar-agar, calcium carbonate and sodium bicarbonate, (e) solution retarders, for example paraffin, and (f) resorption accelerators, for example cetyl alcohol and glycerol monostearate, (h) adsorbents, for example kaolin and bentonite, and (i) lubricants, for example talc, calcium stearate and magnesium stearate and solid polyethylene glycols, or mixtures of the substances listed under (a) to
- the tablets, dragees, capsules, pills and granules can be provided with the customary coatings and shells, optionally containing opacifying agents, and can also be of such composition that they release the active compound or compounds only, or preferentially, in a certain part of the intestinal tracts, optionally in a delayed manner, examples of embedding compositions which can be used being polymeric substances and waxes.
- the active compound or compounds, optionally together with one or more of the abovementioned excipients can also be in a micro-encapsulated form.
- Suppositories can contain, in addition to the active compound or compounds, the customary water-soluble or water-insoluble excipients, for example polyethylene glycols, fats, for example cacao fat, an higher esters (for example C 14 -alcohol with C 16 -fatty acid), or mixtures of these substances.
- the customary water-soluble or water-insoluble excipients for example polyethylene glycols, fats, for example cacao fat, an higher esters (for example C 14 -alcohol with C 16 -fatty acid), or mixtures of these substances.
- Ointments, pastes, creams and gels can contain, in addition to the active compound or compounds, the customary excipients, for example animal and vegetable fats, waxes, paraffins, starches, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silica, talc and zinc oxide, or mixtures of these substances.
- the customary excipients for example animal and vegetable fats, waxes, paraffins, starches, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silica, talc and zinc oxide, or mixtures of these substances.
- Powders and sprays can contain, in addition to the active compound or compounds, the customary excipients, for example lactose, talc, silica, aluminum hydroxide, calcium silicate and polyamide powders or mixtures of these substances.
- Sprays can additionally contain the customary propellants, for example chlorfluorohydrocarbons.
- Solutions and emulsions can contain, in addition to the active compound or compounds, the customary excipients, such as solvents, solubilising agents and emulsifiers, for example water, ethyl, alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butylene glycol, dimethylformamide, oils, especially cottonseed oil, groundnut oil, maize germ oil, olive oil, caster oil and sesame oil, glycerol-formal, tetrahydrofufuryl alcohol, polyethylene glycols and fatty acid esters of sorbitane, or mixtures of these substances.
- solvents such as solvents, solubilising agents and emulsifiers
- solubilising agents and emulsifiers for example water, ethyl, alcohol, isopropyl alcohol, ethyl carbonate, e
- solutions and emulsions can also be in a sterile form which is isotonic with blood.
- Suspensions can contain, in addition to the active compound or compounds, the customary excipients, such as liquid diluents, for example water, ethyl alcohol or propylene glycol, suspending agents, for example ethoxylated isostearyl alcohols, polyoxyethylene sorbitol esters and sorbitane esters, micro-crystalline cellolose, aluminium metahydroxide, bentonite, agar-agar and tragacanth, or mixtures of these substances.
- liquid diluents for example water, ethyl alcohol or propylene glycol
- suspending agents for example ethoxylated isostearyl alcohols, polyoxyethylene sorbitol esters and sorbitane esters, micro-crystalline cellolose, aluminium metahydroxide, bentonite, agar-agar and tragacanth, or mixtures of these substances.
- the formulation forms mentioned can also contain colorants, preservatives and additives which improve the odour and flavour, for example peppermint oil and eucalyptus, oil, and sweetners, for example saccharin.
- the therapeutically active compounds should preferably be present in the abovementioned pharmaceutical formulations in a concentration of about 0.1 to 99.5, preferably of about 0.5 to 95, % by weight of the total mixture.
- compositions can also contain other pharmaceutical active compounds in addition to the active compounds according to the invention.
- compositions are prepared in the customary manner according to known methods, for example by mixing the active compound or compounds with the excipient or excipients.
- the present invention also includes the use of the active compounds according to the invention, and of pharmaceutical formulations which contain one or more active compounds according to the invention, in human and veterinary medicine, for the prevention, alleviation and/or cure of the abovementioned diseases.
- the active compounds or the pharmaceutical formulations can be administered locally, orally, aerosilized, parenterally, intraperitoneally and/or rectally, preferably parenterally, and in particular intravenously.
- the active compound or compounds according to the invention in total amounts of about 10 to 300, preferably 50 to 200, mg/kg of body weight every 24 hours, optionally in the form of several individual administrations, in order to achieve the desired results.
- the particular optimum required and the type of administration of the active compounds can easily be determined by anyone skilled in the art on the basis of his expert knowledge.
- FIGS. 1 to 9 show synergy studies for antifungally effective nikkomycin/azole compositions.
- Candida albicans strain B311 was grown overnight in glucose-yeast extract broth, washed, and adjusted to the desired density.
- the tests were performed in 96-well microtiter plates using yeast nitrogen broth with dextrose and asparagine as the growth medium.
- the test materials were dissolved, diluted serially, then transferred to the appropriate wells of the microtiter plates so that the final concentrations ranged from 0.02-1 millimolar for the nikkomycins, and 0.06-64 micrograms for the azoles. All wells were inoculated with 10,000 organisms per milliliter (final concentration) and the plates incubated at room temperature for 48 hours. The plates were then examined and the degree of growth for each well noted. Endpoints were determined for each row as being the lowest concentration showing the complete inhibition of growth. Data were plotted as isobolograms showing the endpoints for the single compounds, as well as the endpoints for the various combinations.
- FIGS. 3-11 The data for the assays are presented in FIGS. 3-11. As can be seen, for all azoles, the addition of nikkomycins results in a dramatic lowering of the endpoints in comparison to the endpoints for the single agents.
- FIG. 3 shows the endpoints for clotrimazole alone to be 2-4 micrograms/milliliter and 0.25-0.5 millimolar for the nikkomycins. Surprisingly, with the concentrations of the combinations employed for this example, no growth was detected in any of the wells, including the minimum 0.06 microgram azole-0.02 millimolar nikkomycin well. Thus, the endpoint for the combination was reduced a minimum of 50-fold with respect to the azole endpoint, clear evidence of synergy for these two classes of drugs.
- mice were infected intravenously with 6 ⁇ 10 5 cfu of C. albicans. Oral therapy was started simultaneously with infection. The agents were delivered singly by feeding needle in volumes of 0.5 ml.
- FIG. 2 A considerable increase in the efficacy of nikkomycin Z is only achieved with a 14-day treatment (FIG. 2).
- a daily dose of 2 ⁇ 10 mg/kg is more efficacious than 2 ⁇ 100 mg/kg administered over 3 days (FIGS. 1, 2).
- FIGS. 3 to 11 show synergy studies for antifungal testing of effective nikkomycin/azole compositions.
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Abstract
Nikkomycin compounds have been found to be orally or parenterally effective as anti-fungals in animals. They may be used alone or, preferably, in combination with azole antimycotics for a synergistic anti-fungal effect.
Description
This application is a continuation of U.S. patent application Ser. No. 07/442,970 filed Nov. 29, 1989, now U.S. Pat. No. 5,006,513 which is a continuation of U.S. patent application Ser. No. 07/118,078 filed Nov. 9, 1987, abandoned.
The invention is related to antimycotic compositions comprising fungicidally effective amounts of a nikkomycin and an azole antimycotic, the preparation of such compositions and to methods of treating infections of fungi by administering therapeutically effective amounts of such compositions.
Compounds inhibitory to the synthesis of fungal cell wall material (synthase inhibitors) have been reported recently to have demonstrable effects against fungi of agricultural importance (U.S. Pat. Nos. 4,315,922 and 4,158,608; see also U.S. Pat. Nos. 4,585,761 and 4,552,954 for descriptions of the preparation and purification of such compounds). The agents mentioned in the cited patents, nikkomycins, together with similar agents known as polyoxins, are known to act by interfering with the synthesis of chitin in the cell walls of fungi. Because fungi of medical importance to humans also have varying amounts of chitin in their cell walls, experiments have been conducted to determine if the chitin synthase inhibitors are capable of inhibiting the growth of such fungi (Hector and Pappagianis, J. Bacteriol. 154:488-498, 1983, and Hector and Braun, Antimicrobial Agents Chemother, 29:389-394, (1986). In earlier work, certain fungi such as Candida albicans were reported to be insensitive to chitin systhase inhibitors (see Naider et al, Antimicrobial Agents Chemother, 24:787-796, 1983. Subsequently, C. albicans was found to be more sensitive to nikkomycins than polyoxins (see Yadan et al, J. Bacteriol. 160:884-888, 1984) but the concentrations necessary for killing that yeast would (for toxicity reasons) preclude there use as chemotherapeutic agents for yeast infections (see Hector and Braun, Antimicrobial Agents Chemother., 29:389-394, 1986).
Quite surprisingly, it was now found that nikkomycin compounds in combination with antimycotically active azoles are efficacious in treating fungal infections.
As shown in synergy studies the achieved antifungal effect is a synergistic effect based on combining the nikkomycins with the azoles.
Accordingly the invention is related to an antimycotic composition comprising a fungicidally effective amount of a nikkomycin and an azole.
A preferred object of the present invention are antimycotic compositions containing nikkomycin and azoles more specifically described in GB-PS 1 351 542, CA-PS 925 504, CA-PS 946 391, AU-PS 542 110, AU-PS 551 411, U.S. Pat. Nos. 301,166, 4,381,306, 4,246,274, 4,238,498, 4,207,328, 3,968,229 and DE-OS 3 242 249 which are incorporated into this patent application by reference. Another preferred embodiment of the present invention are antimycotic compositions containing nikkomycins and azoles described in the following paragraphs.
a) Diazolylalkyl-carbinol of the general formula ##STR1## in which A represents a nitrogen atom or the CH group,
B represents a nitrogen atom or the CH group,
X represents hydrogen or alkyl,
Y represents alkyl, or alkenyl, alkinyl or optionally substituted benzyl, if X represents hydrogen, and
R represents optionally substituted phenyl or the grouping ##STR2## wherein Alk1 represents alkyl and
Alk2 represents alkyl, or
Alk1 and Alk2 together represent a cycloaliphatic ring, and
R1 represents alkyl, alkenyl or in each case optionally substituted phenyl, phenylalkyl, phenoxy, phenylthio, phenoxyalkyl, phenylthioalkyl, benyloxy or benzylthio,
and physiologically acceptable acid addition salts thereof,
The compounds of the formula (I) sometimes have two asymmetric carbon atoms. In this case, they can exist in two geometric isomer forms.
The substituted diazolylalkyl-carbinols of the formula (I) are obtained by a process in which azolyl-oxiranes of the formula (I) are obtained by a process in which azolyl-oxiranes of the formula ##STR3## in which
B, R, X and Y have the abovementioned meaning, are reacted with azoles of the formula ##STR4## in which
A has the abovementioned meaning, in the presence of a diluent and if appropriate in the presence of a base.
Preferably, in formula (I)
A represents a nitrogen atom or the CH group,
B represents a nitrogen atom or the CH group,
X represents hydrogen or straight-chain or branched alkyl with 1 to 6 carbon atoms,
Y represents straight-chain or branched alkyl with 1 to 6 carbon atoms; or, if X represents hydrogen, also straight-chain or branched alkenyl or alkinyl with in each case 3 to 6 carbon atoms or benzyl which is optionally mono-, di- or trisubstituted in the phenyl part by identical or different substituents, substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkoxythio with in each case 1 to 4 carbon atoms, halogenalkyl, halogenalkoxy and halogenoalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro- and cyano; and
R represents phenyl which is optionally mono- di-or tri-substituted by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 to 4 carbon atoms, halogenalkyl, halogenoalkoxy and halogenalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro, cyano, hydroxyl, hydroxycarbonyl, alkoxycarbonyl with 1 to 4 carbon atoms in the alkyl part, hydroximinoalkyl with 1 to 4 carbon atoms, alkoximinoalkyl with 1 to 4 carbon atoms in each alkyl part and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by halogen and/or alkyl with 1 or 2 carbon atoms; or
F preferably represents the grouping ##STR5## wherein Alk1 represents straight-chain or branched alkyl with 1 to 4 carbon atoms; and
Alk2 represents straight-chain or branched alkyl with 1 to 4 carbon atoms; or
Alk1 and Alk2, together with the carbon atom to which they are bonded, represent a 3-membered to to 7-membered cycloaliphatic ring; and
R1 represents straight-chain or branched alkyl with 1 to 6 carbon atoms, alkenyl with 2 to 4 carbon atoms, or phenyl, phenylalkyl with 1 to 4 carbon atoms in the alkyl part, phenoxy, phenylthio, phenoxyalkyl with 1 to 4 carbon atoms in the alkyl part, phenyl, thioalkyl with 1 to 4 carbon atoms in the alkyl part, benzyloxy or benzylthio, each of which is optionally mono-, di- or tri-substituted in the phenyl part by identical or different substituents, preferred possible substituents being the substituents on phenyl already mentioned for R.
Particularly preferred are compounds of the formula in which
A represents a nitrogen atom or the CH group;
B represents a nitrogen atom or the CH group;
X represents hydrogen or straight-chain or branched alkyl with 1 to 4 carbon atoms;
Y represents straight-chain or branched alkyl with 1 to 4 carbon atoms; or, if X represents hydrogen, also allyl, methallyl, propargyl, methylpropargyl or benzyl which is optionally mono- or di-substituted in the phenyl part by identical or different substituents, substituents which may be mentioned being; fluorine, chlorine, bromine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, nitro and cyano; R represents phenyl which is optionally mono- or di-substituted by identical or different substituents, substitutents which may be mentioned being: fluorine, chlorine, bromine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, nitro, cyano, hydroxyl, hydroxycarbonyl, methoxycarbonyl, ethoxycarbonyl, hydroximinomethyl, 1-hydroximinoethyl, methoximinomethyl, 1-methoximinoethyl and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by fluorine, chlorine or methyl; or R represents the grouping ##STR6## wherein Alk1 represents methyl or ethyl; and
Alk2 represents methyl or ethyl; or
Alk1 and Alk2, together with the carbon atom to which they are bonded, represent cyclobutyl, cyclopentyl or cyclohexyl; and
R1 represents methyl, ethyl, n-propyl, i-propyl, n-butyl, neopentyl, or phenyl, benzyl, phenethyl, phenoxy, phenylthio, phenoxymethyl, phenoxyethyl, phenylthiomethyl, phenylthioethyl, benzyloxy or benzylthio, each of which is optionally mono- or di-substituted in the phenyl part by identical or different substituents, possible substituents being the substituents on phenyl which have already been mentioned for R.
Addition products of acids and those substituted diazolylalkyl-carbinols of the formula (I) in which the substituents A, B, X, Y and R have the meanings which have already been mentioned as preferred for these substituents are also preferred compounds according to the invention.
Preferred acids which can be added on include hydrogen halide acids, such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid, and furthermore phosphoric acid, nitric acid, monofunctional and bifunctional carboxyclic acids and hydroxycarboxylic acids, such as, for example acetic acid, maleic acid, succinic acid, fumaric acid, tartaric acid, citric acid, salicyclic acid, sorbic acid and lactic acid, and sulphonic acids, such as o-toluenesulphonic acid and 1,5-naphthalenedisulphonic acid.
b) Substituted 1,3-diazolyl-2-propanols of the general formula ##STR7## in which Alk1 represents straight-chain or branched alkyl and
Alk2 represents straight-chain or branched alkyl, or
Alk1 and Alk2 together represent a cycloaliphatic ring,
X represents a nitrogen atom or the CH group,
Y represents a nitrogen atom or the CH group and
R represents in each case optionally substituted phenyl, phenylalkyl, phenoxy, phenylthio, phenoxyalkyl, phenylthioalkyl, benzyloxy or benzylthio,
and physiologically acceptable acid addition salts thereof.
The substituted 1,3-diazolyl-2-propanols of the formula (I') are obtained by a process in which 2-azolylmethyl-oxiranes of the formula ##STR8## in which Alk1, Alk2, R and X have the abovementioned meaning, are reacted with azoles of the formula ##STR9## in which Y has the abovementioned meaning, in the presence of a diluent and, if appropriate, in the presence of a base.
If appropriate, an acid can then be added onto the compounds of the formula (I') thus obtained.
Moreover, the compounds of the general formula (I') in which R represents in each case optionally substituted phenylthio, phenylthioalkyl or benzylthio can be oxidized to the corresponding SO or SO2 derivatives in the customary manner.
Formula (I) provides a general definition of the substituted 1,3-dazolyl-2-propanols useful according to the invention. Preferably, in this formula,
Alk1 represents straight-chain or branched alkyl with 1 to 4 carbon atoms; and
Alk2 represents straight-chain or branched alkyl with 1 to 4 carbon atoms; or
Alk1 and Alk2 together represent a 3-membered to 7-membered cycloaliphatic ring,
X represents a nitrogen atom or the CH group; and
R represents phenyl, phenylalkyl with 1 to 4 carbon atoms in the alkyl part, phenoxy, phenyl-thio, phenoxyalkyl with 1 to 4 carbon atoms in the alkyl part, phenylthioalkyl with 1 to 4 carbon atoms in the alkyl part, benzyloxy or benzylthio, each of which is optionally mono-, di- or tri-substituted in the phenyl part by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 to 4 carbon atoms, halogenoalkyl, halogenoalkoxy and halogenoalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as, preferably, fluorine and chlorine atoms, nitro, cyano, hydroxy, hydroxycarbonyl, alkoxycarbonyl with 1 to 4 carbon atoms in the alkyl part, alkoximinoalkyl with 1 to 4 carbon atoms in each alkyl part, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by halogen and/or alkyl with 1 or 2 carbon atoms.
Particularly preferred compounds of the formula (I') are those in which
Alk1 represents methyl or ethyl; and
Alk2 represents methyl or ethyl; or
Alk1 and Alk2, together with the carbon atom to which they are bonded, represent cyclobutyl, cyclopentyl or cyclohexyl,
X represents a nitrogen atom or the CH group;
Y represents a nitrogen atom or the CH group; and
R represents phenyl, benzyl, phenethyl, phenoxy, phenylthio, phenoxymethyl, phenoxyethyl, phenylthiomethyl, phenylthioethyl, benzyloxy or benzylthio, each of which is optionally mono- or disubstituted in the phenyl part by identical or different substituents, substituents which may be mentioned being: fluorine, chlorine, bromine, methyl, isopropyol, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, nitro, cyano, hydroxyl, hydroxycarbonyl, methoxycarbonyl, ethoxycarbonyl, hydroximinoethyl, 1-hydroximinoethyl, methoximinomethyl, 1-methoxyiminoethyl, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by fluorine, chlorine or methyl.
Addition products of acids and those substituted 1,3-diazolyl-2-propanols of the formula (I') in which the substituents Alk1, Alk2, X, Y and R have the meanings which have already been mentioned as preferred for these substituents are also preferred compounds according to the invention.
c) Substituted azolyl-cyclopropyl-azolylmethyl-carbinol derivatives of the formula (I") ##STR10## in which Ar represents optionally substituted aryl or optionally substituted heteroaryl,
R represents hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substituted phenylalkyl or the acyl radical,
X represents a nitrogen atom or the CH group, and
Y represents a nitrogen atom or the CH group, and their acid addition salts have good antimicrobial, in particular antimycotic, properties.
The substituted azolycyclopropyl-azolylmethyl-carbinol derivatives of the formula (I") which are to be used according to the invention show a good spectrum of action in certain areas of indication.
The substituted azolylcyclopropyl-azolylmethyl carbinol are generally defined by formula (I'). In this formula,
Ar preferably represents phenyl which optionally has one or several, identical or different, substituents, the substituents which may be mentioned as being preferred being: halogen, alkyl, alkoxy and alkylthio each having 1 to 4 carbon atoms; halogenalkyl, halogenalkoxy and halogen-alkylthio each having 1 to 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as fluorine and chlorine atoms; as well as phenyl or phenoxy each of which is optionally substituted by alkyl having 1 or 2 carbon atoms and/or halogen; and furthermore represents naphthyl and a 5- to 6-membered heteroaromatic which optionally has one or several, identical or different, substituents and nitrogen, oxygen and/or sulphur as the heteroatoms, the suitable substituents which are preferred being the abovementioned phenyl substituents;
R preferably represents hydrogen, straight-chain or branched alkyl having 1 to 4 carbon atoms, straight-chain or branched alkenyl and alkinyl each having 2 to 4 carbon atoms, trialkylsilyl having 1 to 4 carbon atoms in each alkyl moiety, alkylcarbonyl having 1 to 4 carbon atoms in the alkyl moiety, and represents phenylalkyl which optionally has one or several, identical or different, substituents, with 1 to 2 carbon atoms in the alkyl moiety, the suitable substituents which are preferred being the phenyl substituents already mentioned for Ar; and
X and Y represent the meanings given in the definition of the invention.
Particularly preferred compounds of the formula (I") are those in which
Ar represents phenyl which optionally has one to three, in particular one or two, identical or different substituents, the substituents which may be mentioned being: fluorine, chlorine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trefluormethyl, trifluoromethoxy, trifluoromethylthio, and phenyl or phenoxy each of which is optionally substituted by fluorine, chlorine and/or methyl; furthermore represents naphtyl and represents furyl, thienyl, pyridinyl or pyrimidinyl, each of which optionally has one or two, identical or different, substituents, suitable substituents being the abovementioned phenyl substituents;
R1 represents hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, allyl, propargyl, trimethylsilyl, methylcarbonyl, ethylcarbonyl, n-propylcarbonyl, isopropylcarbonyl, n-butylcarbonyl, isobutylcarbonyl, and represents benzyl which optionally has one to three, in particular one or two, identical or different substituents, suitable substituents which are preferred being the phenyl substituents already mentioned for Ar; and
X and Y represent the meanings given in the definition of the invention.
Preferred compounds according to the invention are also addition products of acids and those substituted azolylcyclopropyl-azolylmethyl-carbinol derivatives of the formula (I")in which Ar, R, X and Y have the meanings which have already been mentioned as preferred for these radicals.
d) Substituted azolyl-methyl-cyclopropyl-carbinol derivatives of the formula ('") ##STR11## in which Ar represents optionally substituted aryl or optionally substituted heteroaryl,
R1 represents hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substituted phenylalkyl or the acyl radical,
R2 represents halogen, cyano, thiocyano, alkyl-carbonyloxy, alkylcarbonylthio or the groups --X--R3 and --Nr4 R5, as well as hydrogen when Ar represents optionally substituted heraryl,
R3 represents alkyl, cycloalkyl, alkenyl, alkinyl, hydroxyalkyl, carboxyalkyl, alkoxycarbonylalkyl, optionally substituted aryl, optionally substituted aralkyl, or the radical of the formula --CH2 --CH2 --O ##STR12## R4 and R5 are identical or different and represent hydrogen or alkyl, and, together with the nitrogen atom to which they are bonded, represent an optionally substituted cycloaliphatic ring which optionally contains other heteroatoms, X represents oxygen, sulphur, the SO or SO2 group, and
Y represents a nitrogen atom or the CH group, and their acid addition salts, have good antimicrobial, in particular antimycotic, properties.
The substituted azolylmethyl-cyclopropyl-carbinol derivatives of the formula (I"') which are to be used according to the invention show a good spectrum of action.
The substituted azolylmethyl-cyclopropyl-carbinol derivatives according to the invention are generally defined by formula (I""). In this formula,
Ar preferably represents phenyl which optionally has one or several, identical or different, substituents, the substituents which may be mentioned as being preferred being: halogen, alkyl, alkoxy and alkylthio each having 1 to 4 carbon atoms; halogenalkyl, halogenalkoxy and halogenalkylthio each having 1 to 2 carbon atoms and 1 to 5 identical or different halogen atoms, such as fluorine and chlorine atoms; as well as phenyl or phenoxy each of which is optionally substituted by alkyl having 1 or 2 carbon atoms and/or halogen; and furthermore represents naphthyl and a 5- to 6-membered heteroaromatic which optionally has one or several, identical or different, substituents and nitrogen, oxygen and/or sulphur as the heteroatoms, the suitable substituents which are preferred being the above mentioned phenyl substituents;
R1 preferably represents hydrogen, straight-chain or branched alkyl having 1 to 4 atoms, straight-chain or branched alkenyl and alkinyl, each having 2 to 4 carbon atoms, trialkylsilyl having 1 to 4 carbon atoms in each alkyl part, alkylcarbonyl having 1 to 4 carbon atoms in the alkyl part, and phenylalkyl which has one or two carbon atoms in the alkyl part and is optionally monosubstituted or polysubstituted by identical or different substiutents, preferred substituents being the phenyl substituents already mentioned for Ar,
R2 preferably represents fluorine, chlorine, bromine, cyano, thiocyano, alkylcarbonyloxy having 1 to 4 carbon atoms in the alkyl part, alkyl-carbonylthio having 1 to 4 carbon atoms in the alkyl part, or the groupings --X--R3 and --NR4 R5,
wherein
R3 preferably represents straight-chain or branched alkyl having 1 to 18 carbon atoms, cycloalykyl having 3 to 8 carbon atoms, straight-chain or branched alkenyl having 2 to 18 carbon atoms, straight-chain or branched alkinyl having 2 to 18 carbon atoms, hydroxyalkyl having 1 to 18 carbon atoms, alkylthioalkyl having 1 to 6 carbon atoms in the alkylthio part and 1 to 6 carbon atoms in the alkyl part, carboxylalkyl having 1 to 18 carbon atoms in the alkyl part, alkoxycarbonylalkyl having 1 to 6 carbon atoms in the alkoxy part and 1 to 6 carbon atoms in the alkyl part, and phenyl or phenylalkyl having 1 to 2 carbon atoms in the alkyl part, each of which is optionally monosubstituted or polysubstituted by identical or different substituents, preferred substituents in each case being the phenyl substituents mentioned as being preferred for Ar, or
R3 represents the radical of the formula --C4 H2 --CH2 --O ##STR13## R4 and R5 independently of one another preferably represent hydrogen or straight-chain or branched alkyl having 1 to 4 carbon atoms, or
R4 and R5, together with the nitrogen atom to which they are bonded, preferably represent a 5-membered or 6-membered ring which is optionally substituted by alkyl having 1 to 4 carbon atoms or alkylcarbonyl having 1 to 4 carbon atoms in the alkyl part, and can contain oxygen, sulphur and/or nitrogen as further heteroatoms, and
X preferably represents hydrogen when Ar represents an optionally substituted 5-membered or 6-membered heteroaromatic, and
Y preferably represents nitrogen or a CH group.
Particularly preferred compounds of the formula (I"") are those in which
Ar represents phenyl which is optionally mono-substituted to trisubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, the following being mentioned as substituents: fluorine, chlorine, methyl, isopropyl, tert.-butyl, methoxy, methylthio, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, and phenyl or phenoxy, each of which is optionally substituted by fluorine, chlorine and/or methyl; and furthermore represents naphthyl, and represents furyl, thienyl, pyridinyl or pyrimidinyl, each of which is optionally monosubstituted or disubstituted by identical or different substituents, suitable substituents being the above mentioned phenyl substituents;
R2 represents hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, allyl, propargyl, trimethylsilyl, methylcarbonyl, ethylcarbonyl, n-propyl-carbonyl, isopropylcarbonyl, n-butyl-carbonyl, isobutylcarbonyl, and benzyl which is optionally monosubstituted or disubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, preferred substituents being the phenyl substituents already mentioned as being preferred for Ar,
R2 represents fluorine, chlorine, bromine, cyano, thiocyano, methylcarbonyloxy, ethylcarbonyloxy, n-propylcarbonyloxy, isopropylcarbonyloxy, n-butyl-carbonyloxy, isobutylcarbonyloxy, methylcarbonylthio, ethylcarbonylthio, n-propylcarbonylthio, isopropylcarbonylthio, n-butylcarbonylthio, isobutylcarbonylthio or the groupings --X--R3 or --NR4 R5 ;
wherein
R3 represents straight-chain or branched alkyl having 1 to 12 carbon atoms, cycloalkyl having 5 to 7 carbon atoms, straight-chain or branched alkenyl having 2 to 12 carbon atoms, straight-chain or branched alkinyl having 2 to 12 carbon atoms, hydroxyalkyl having 1 to 12 carbon atoms, in the alkylthio part and 1 to 4 carbon atoms in the alkyl part; carbonylalkyl having 1 to 12 carbon atoms in the alkyl part, alkoxycarbonyalkyl having 1 to 4 carbon atoms in the alkoxy part and 1 to 4 carbon atoms in the alkyl part, and phenyl or benzyl, each of which is optionally monosubstituted to trisubstituted, in particular monosubstituted to trisubstituted, in particular monosubstituted or disubstituted, by identical or different substituents, suitable substituents being the phenyl substituents already mentioned above for Ar as being particularly preferred, or
R3 represents the radical of the formula --CH2 --CH2 ##STR14## R4 and R5 independently of one another represent hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl, or
R4 and R5 together with the nitrogen atom to which they are bonded, represent piperidinyl, piperazinyl or morpholinyl each of which is optionally substituted by methyl, ethyl, methylcarbonyl or ethylcarbonyl, and
X represents oxygen, sulphur, an SO group or an SO2 group, and furthermore
R2 also represents hydrogen when Ar represents one of the above mentioned optionally substituted heteroaromatics, and
Y represents nitrogen or a CH group.
Other preferred compounds useful to exercise the invention are addition products of acids and those substituted azolylmethyl-cyclopropyl-carbinol derivatives of the formula (I"') in which Ar, R1, R2 and Y have the meanings which have already been mentioned as being preferred for these radicals.
The acids which can be added on preferably included hydrohalic acids such as, for example, hydrochloric acid and hydrobromic acid, in particular hydrochloric acid, also phosphoric acid, nitric acid, sulphuric acid, monofunctional and bifunctional carboxylic acids and hydroxycarboxylic acids such as, for example, acetic acid, maleic acid, succinic acid, fumaric acid, tartaric acid, citric acid, salicylic acid, sorbic acid and lactic acid, as well as sulphonic acids such as, for example p-toluenesulphonic acid, 1,5-naphthalene-disulphonic acid and camphorsulphonic acid.
e) Hydroxyethyl-azole derivatives of the general formula ##STR15## in which R1 represents alkyl or the grouping Ar--Y--,
Ar represents optionally substituted aryl,
Y represents a direct bond or the groupings --CH2 --, --CH2 --CH2 --, --OCH2 --, --SCH2 --, --CH═CH-- or --C.tbd.C--,
X represents a nitrogen atom or the CH group,
Z represents oxygen or the NOR2 group and
R2 represents hydrogen, alkyl, alkenyl, alkinyl, optionally substituted aralkyl or optionally substituted cycloalkylalkyl,
and acid addition salts thereof, have good antimicrobial, in particular antimycotic, properties useful to exercise this invention.
The compounds of the formula (I"") have an asymmetric carbon atom and can therefore be obtained in the two optical isomer forms.
The hydroxyethyl-azole derivatives of the formula (I"") to be used according to the invention have a good action spectrum.
Formula (I"") provides a general definition of the hydroxyethyl-azole derivatives according to the invention. Preferably, in this formula,
R1 represents straight-chain or branched alkyl with 1 to 6 carbon atoms or the grouping Ar--Y;
Ar represents naphthyl, or phenyl which is optionally monosubstituted or polysubstituted by identical or different substituents, preferred substituents which may be mentioned being: halogen, alkyl with 1 to 4 carbon atoms, alkoxy and alkylthio with in each case 1 or 2 carbon atoms, nitro, halogenalkyl, halogenalkoxy and halogenalkylthio with in each case 1 or 2 carbon atoms and 1 to 5 identical different halogen atoms, such as, preferably, fluorine and chlorine atoms, the --CH.tbd.NOR2 radical, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by halogen and/or alkyl with 1 or 2 carbon atoms;
X represents a nitrogen atom or the CH group;
Y represents a direct bond or the groupings --CH2 --, --CH2 CH2 --, --OCH2 --, --SCH2 --, --CH═CH-- or --C.tbd.C--;
Z represents oxygen or the NOR2 group; and R2 represents hydrogen, straight-chain or branched alkyl with 1 to 6 carbon atoms, alkenyl or alkinyl with in each case 2 to 6 carbon atoms, or phenylalkyl which has 1 or 2 carbon atoms in the alkyl part and is optionally monosubstituted or polysubstituted by identical or different substituents, possible substituents on the phenyl being the substituents on phenyl which have already been mentioned in the case of Ar; or represents cycloalkylmethyl which has 5 or 6 carbon atoms in the cycloalkyl part and is optionally mono-, di- or tri-substituted by identical or different alkyl radicals with 1 to 3 carbon atoms.
Particularly preferred compounds of the formula (I) are those in which
R1 represents straight-chain alkyl with 1 to 6 carbon atoms or the grouping Ar--Y--;
Ar represents naphthyl, or represents phenyl which is optionally mono, di- or tri-substituted by identical or different substituents, substituents which may be mentioned being: fluorine, chlorine, methyl, trifluoromethyl, trifluoromethoxy, trifluoromethylthio, methoximinomethyl, ethoxyiminomethyl and allyloximinomethyl, and phenyl, phenoxy, benzyl and benzyloxy, each of which is optionally substituted by chlorine and/or methyl;
X represents a nitrogen atom or the CH group;
Y represents a direct bond or the groupings --CH2 --, --CH2 CH2 --, --OCH2 --, --SCH2 --, --CH═CH-- or --C.tbd.C--; and
Z represents oxygen or the NOR2 group,
wherein
R2 represents hydrogen, methyl, ethyl, n-propyl, n-butyl, allyl or propargyl, or represents benzyl which is optionally mono-, di- or tri-substituted by identical or different substituents from the group comprising fluorine, chlorine, methyl, trifluoromethyl and trifluoromethoxy, or represents cyclohexylmethyl which is optionally substituted by methyl or ethyl.
Another preferred embodiment of the invention are compositions comprising a fungicidally effective amount of a nikkomycin selected from the group consisting of nikkomycin Z, ZH, Zt, X, Xt, B, Bx, C and Cx and an antimycotically active and optionally orally applicable azole antimycotic.
Moreover, antimycotic compositions comprising an azole selected from the group consisting of ketoconazole, itraconazole, fluconazole, clotrimazole, miconazole, bifonazole, 1-(4-chlorphenyl)-2-methyl-2-methoximo-methyl-1-(1,2,4-triazol-1-yl-methyl-1-propanol, 1-(4-chlorphenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-yl-methyl)-2-butanol and 4-(fluorphenyl)-(1-methylsulfinyl-1-cyclopropyl)-(1,2,4-triazol-1-yl-methyl)-methanol are preferred.
The antimycotic compositions according to the invention contain a fungicidally effective amount of the nikkomycin and an azole in a ratio of 1:1 to 30:1, preferably 3:1 to 10:1.
Preferred are also antimycotic compositions comprising a fungicidally effective amount of nikkomycin Z and an azole selected from the group consisting of ketoconazole, itraconazole, fluconazole, clotrimazole, miconazole, bifonazole, 1-(4-chlorphenyl)-2-methyl-2-methoximo-methyl-1-(1,2,4-triazol-1-yl-methyl-1-propanol, 1-(4-chlorphenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-yl-methyl)-2-butanol and 4-(fluorphenyl)-(1-methylsulfinyl-1-cyclopropyl)-(1,2,4-triazol-1-yl-methyl)-methanol and, moreover, the antimycotic compositions comprising a fungicidally effective amount of mikkomycin Z and 1(4-chlorphenyl)-2-methyl-2-methoximo-methyl 1-(1,2,3-triazol-1-yl-methyl-1-propanol, 1-(4-chlorphenyl)-3,3-dimethyl-2-(1,2,4-triazol-1-yl-methyl)-2-butanol and/or 4-(fluorphenyl)-(1-methylsulfinyl-1-cyclopropyl)-(1,2,4-triazol-1-yl-methyl)-methanol.
A further embodiment of the invention are nikkomycins in combination with antimycotically active and optionally orally applicable azoles for use in a method for therapeutical treatment of the human or animal body infected with fungi.
The invention is also related to the use of nikkomycins in combination with antimycotically active and optionally orally applicable azoles for the preparation of antimicotically active pharmaceutical compositions and to a process for the preparation of antimycotically active pharmaceutical compositions comprising mixing a combination of a fungicidally effective amount of a nikkomycin and an azole with a solid or liquid diluent and/or carrier or other auxiliaries useful for the preparation of pharmaceutical compositions, said nikkomycin and azole preferably being present in a ratio of 1:1 to 30:1.
The invention is also related to a method of treating human or non-human animals infected with fungi, the method comprising administering to the human or non-human animal therapeutically effective amounts of a nikkomycin and an azole antimycotic.
More specifically the invention is related to the method comprising administering to the human or non-human animal of from 1 mg/kg to 1000 mg/kg, preferably 10 mg/kg to 100 mg/kg of body weight per day of a nikkomycin and an azole antimycotic of the above identified type and to a method comprising administering the nikkomycin and the azole antimycotic in a ratio of 1:1 to 30:1.
Preferably the compositions to the invention are orally administered, but may be administered parenterally or via inhalation of an aerosilized preparation.
The compositions according to the invention possess a very broad antimycotic ation spectrum especially against dermatophytes and yeasts as well as biphasic fungi, for example against varieties of Candida, such as Candida albicans, varieties of Epidermophyton floccusum, varieties of Aspercillus, such as Aspercillus niger and Aspercillus fumigatus, varieties of Trichophyton, such as Trichophyton mentagrophytes, varieties of Micorsporon, such as Microsporon felineum and varieties of Torulopsis, such as Torulpsis glabrata, and Coccidiodes immitis, Histoplasma capsulatum, and Blastomyces dermatitidis. The listing of these micro-organisms in no way implies a limitation of the germs which can be combated but is only of illustrative character.
Examples which may be mentioned of fields of indication in human medicine are: dermatomycoses and systemic mycoses caused by Trichophyton mentagrophytes and other varieties of Trichophyton, varieties of Microsporon, Epidermophyton floccosum, yeasts and biphase fungi as well as moulds.
Examples which may be mentioned of field of indication in veterinary medicine are: all dermatomycoses and systemic mycoses, especially those caused by the abovementioned pathogens.
The present invention includes pharmaceutical formulations which, in addition to non-toxic, inert pharmaceutically suitable excipients, contain one or more active compounds according to the invention, or which consist of one or more active compounds according to the invention, as well as processes for the preparation of these formulations.
The present invention also includes pharmaceutical formulations in dosage units. This means that the formulations are in the form of individual parts, for example tablets, dragees, capsules, pills, suppositories and ampoules, of which the contents of active compound corresponds to a fraction or a multiple of an individual dose. The dosage units can contain, for example, 1, 2, 3 or 4 individual doses or 1/2, 1/3 or 1/4 or an individual dose. An individual dose preferably contains the amount of active compound which is given in one administration and which usually corresponds to a whole, a half, a third or a quarter of a daily dose.
By non-toxic, inert pharmaceutically suitable excipients there are to be understood solid, semi-solid or liquid diluents, fillers and formulation auxiliaries of every kind.
Tablets, dragees, capsules, pills, granules, suppositories, solutions, suspensions and emulsions, pastes, ointments, gels, creams lotions, powders and sprays may be mentioned as preferred pharmaceutical formulations.
Tablets, dragees, capsules, pills and granules can contain the active compound or compounds alongside the customary excipients, such as (a) fillers and extenders, for example starches, lactose, sucrose, glucose, mannitol and silica, (b) binders, for example carboxy-methylcellulose, alginates, gelatine and polvinyl-pyrrolidone, (c) humectants, for example glycerol, (d) disintegrating agents, for example agar-agar, calcium carbonate and sodium bicarbonate, (e) solution retarders, for example paraffin, and (f) resorption accelerators, for example cetyl alcohol and glycerol monostearate, (h) adsorbents, for example kaolin and bentonite, and (i) lubricants, for example talc, calcium stearate and magnesium stearate and solid polyethylene glycols, or mixtures of the substances listed under (a) to (i).
The tablets, dragees, capsules, pills and granules can be provided with the customary coatings and shells, optionally containing opacifying agents, and can also be of such composition that they release the active compound or compounds only, or preferentially, in a certain part of the intestinal tracts, optionally in a delayed manner, examples of embedding compositions which can be used being polymeric substances and waxes.
The active compound or compounds, optionally together with one or more of the abovementioned excipients can also be in a micro-encapsulated form.
Suppositories can contain, in addition to the active compound or compounds, the customary water-soluble or water-insoluble excipients, for example polyethylene glycols, fats, for example cacao fat, an higher esters (for example C14 -alcohol with C16 -fatty acid), or mixtures of these substances.
Ointments, pastes, creams and gels can contain, in addition to the active compound or compounds, the customary excipients, for example animal and vegetable fats, waxes, paraffins, starches, tragacanth, cellulose derivatives, polyethylene glycols, silicones, bentonites, silica, talc and zinc oxide, or mixtures of these substances.
Powders and sprays can contain, in addition to the active compound or compounds, the customary excipients, for example lactose, talc, silica, aluminum hydroxide, calcium silicate and polyamide powders or mixtures of these substances. Sprays can additionally contain the customary propellants, for example chlorfluorohydrocarbons.
Solutions and emulsions can contain, in addition to the active compound or compounds, the customary excipients, such as solvents, solubilising agents and emulsifiers, for example water, ethyl, alcohol, isopropyl alcohol, ethyl carbonate, ethyl acetate, benzyl alcohol, benzyl benzoate, propylene glycol, 1,3-butylene glycol, dimethylformamide, oils, especially cottonseed oil, groundnut oil, maize germ oil, olive oil, caster oil and sesame oil, glycerol-formal, tetrahydrofufuryl alcohol, polyethylene glycols and fatty acid esters of sorbitane, or mixtures of these substances.
For parenteral administration, the solutions and emulsions can also be in a sterile form which is isotonic with blood.
Suspensions can contain, in addition to the active compound or compounds, the customary excipients, such as liquid diluents, for example water, ethyl alcohol or propylene glycol, suspending agents, for example ethoxylated isostearyl alcohols, polyoxyethylene sorbitol esters and sorbitane esters, micro-crystalline cellolose, aluminium metahydroxide, bentonite, agar-agar and tragacanth, or mixtures of these substances.
The formulation forms mentioned can also contain colorants, preservatives and additives which improve the odour and flavour, for example peppermint oil and eucalyptus, oil, and sweetners, for example saccharin.
The therapeutically active compounds should preferably be present in the abovementioned pharmaceutical formulations in a concentration of about 0.1 to 99.5, preferably of about 0.5 to 95, % by weight of the total mixture.
The abovementioned pharmaceutical formulations can also contain other pharmaceutical active compounds in addition to the active compounds according to the invention.
The abovementioned pharmaceutical formulations are prepared in the customary manner according to known methods, for example by mixing the active compound or compounds with the excipient or excipients.
The present invention also includes the use of the active compounds according to the invention, and of pharmaceutical formulations which contain one or more active compounds according to the invention, in human and veterinary medicine, for the prevention, alleviation and/or cure of the abovementioned diseases.
The active compounds or the pharmaceutical formulations can be administered locally, orally, aerosilized, parenterally, intraperitoneally and/or rectally, preferably parenterally, and in particular intravenously.
In general, it has proved advantageous both in human medicine and in veterinary medicine, to administer the active compound or compounds according to the invention in total amounts of about 10 to 300, preferably 50 to 200, mg/kg of body weight every 24 hours, optionally in the form of several individual administrations, in order to achieve the desired results. However, it can be necessary to deviate from the dosages mentioned, and in particular to do so as a function of the species and the body weight of the subject to be treated, the nature and severity of the disease, the nature of the formulation and of the administration of the medicament and the time or interval over which the administration takes place. Thus it can in some cases suffice to manage with less than the abovementioned amount of active compound, whilst in other cases the abovementioned amount of active compound must be exceeded. The particular optimum required and the type of administration of the active compounds can easily be determined by anyone skilled in the art on the basis of his expert knowledge.
FIGS. 1 to 9 show synergy studies for antifungally effective nikkomycin/azole compositions.
To test the ability of nikkomycins and azoles to act synergistically, checkerboard in vitro assay was performed using the yeast Candida albicans.
Candida albicans strain B311 was grown overnight in glucose-yeast extract broth, washed, and adjusted to the desired density.
The tests were performed in 96-well microtiter plates using yeast nitrogen broth with dextrose and asparagine as the growth medium. The test materials were dissolved, diluted serially, then transferred to the appropriate wells of the microtiter plates so that the final concentrations ranged from 0.02-1 millimolar for the nikkomycins, and 0.06-64 micrograms for the azoles. All wells were inoculated with 10,000 organisms per milliliter (final concentration) and the plates incubated at room temperature for 48 hours. The plates were then examined and the degree of growth for each well noted. Endpoints were determined for each row as being the lowest concentration showing the complete inhibition of growth. Data were plotted as isobolograms showing the endpoints for the single compounds, as well as the endpoints for the various combinations.
The data for the assays are presented in FIGS. 3-11. As can be seen, for all azoles, the addition of nikkomycins results in a dramatic lowering of the endpoints in comparison to the endpoints for the single agents. As an example, FIG. 3 shows the endpoints for clotrimazole alone to be 2-4 micrograms/milliliter and 0.25-0.5 millimolar for the nikkomycins. Surprisingly, with the concentrations of the combinations employed for this example, no growth was detected in any of the wells, including the minimum 0.06 microgram azole-0.02 millimolar nikkomycin well. Thus, the endpoint for the combination was reduced a minimum of 50-fold with respect to the azole endpoint, clear evidence of synergy for these two classes of drugs.
Efficacy of nikkomycin X and Z in the animal model of murine candidosis.
Outbred CFW1 mice were infected intravenously with 6×105 cfu of C. albicans. Oral therapy was started simultaneously with infection. The agents were delivered singly by feeding needle in volumes of 0.5 ml.
In the model of septic murine candidosis which is frequently used for testing azoles, treatment of the animals is started simultaneously with the infection by administering 2×100 mg/kg of both preparations on the day of the infection. This regimen produces only a slight delay in the lethal kinetics (Table 1).
TABLE 1 ______________________________________ Action of nikkomycin X and Z on septic murine candidosis after oral administration. number of surviving animals on the following days after dose/day infection: preparation in mg/kg 0 3 6 ______________________________________ control -- 20 12 1nikkomycin X 2 × 100 10 10 3nikkomycin Z 2 × 100 10 6 5 ______________________________________
Improved efficacy can be achieved by extending the treatment period to 3 days (FIG. 1). Under these test conditions the efficacy of 100 mg/kg of nikomycin 2 is comparable to that of 25 m/kg of ketoconazole or vibunazole.
A considerable increase in the efficacy of nikkomycin Z is only achieved with a 14-day treatment (FIG. 2). In this scheme a daily dose of 2×10 mg/kg is more efficacious than 2×100 mg/kg administered over 3 days (FIGS. 1, 2).
FIGS. 3 to 11 show synergy studies for antifungal testing of effective nikkomycin/azole compositions.
To test the ability of nikkomycins and azoles to act synergistically, checkerboard in vitro assays were performed using the yeast Candida albicans.
Given the above disclosures, it is thought that variations will occur to those skilled in the art. Accordingly, it is intended that the above examples should be construed as illustrative and that the invention disclosed herein should be limited only by the following claims.
Claims (2)
1. A synergistically, fungicidally effective antimycotic composition comprising fungicidally effective amount of nikkomycin X or nikkomycin Z, and clotrimazole, the weight of the nikkomycin X or Z to clotrimazole ranging from about 1:1 to about 30:1.
2. The method of treating animals infected with fungi, the method comprising administering to the animal a composition comprising synergistically effective amounts of nikkomycin X or nikkomycin Z and clotrimazole, the weight ratio of the nikkomycin X or nikkomycin Z to clotrimazole ranging from about 1:1 to 30:1 and the amount of the composition administered to the animal ranging from 1 mg/kg to 1000 mg/kg of animal body weight per day.
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US07/640,769 US5096889A (en) | 1987-11-09 | 1991-01-14 | Antimycotic compositions of nikkomycin compounds and azole antimycotics |
US07/876,541 US5194427A (en) | 1987-11-09 | 1992-04-29 | Antimycotic compositions of nikkomycin compounds and azole antimycotics |
US08/016,442 US5330976A (en) | 1987-11-09 | 1993-02-11 | Antimycotic compositions of nikkomycin compounds and azole antimycotics |
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US11807887A | 1987-11-09 | 1987-11-09 | |
US07/442,970 US5006513A (en) | 1987-11-09 | 1989-11-29 | Antimycotic compositions of nikkomycin compounds and azole antimycotica |
US07/640,769 US5096889A (en) | 1987-11-09 | 1991-01-14 | Antimycotic compositions of nikkomycin compounds and azole antimycotics |
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US07/442,970 Continuation US5006513A (en) | 1987-11-09 | 1989-11-29 | Antimycotic compositions of nikkomycin compounds and azole antimycotica |
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US07/822,451 Continuation US5134126A (en) | 1987-11-09 | 1992-01-17 | Antimycotic compositions of nikkomycin compounds and azole antimycotics |
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WO1996003135A1 (en) * | 1994-07-25 | 1996-02-08 | Milankovits Marton | Pharmaceutical compositions, mainly vaginal suppository, containing many different active ingredients |
US5789387A (en) * | 1995-08-28 | 1998-08-04 | Shaman Pharmaceitucals, Inc. | Methods and compositions for treating fungal infections in mammals |
US20030073646A1 (en) * | 1997-01-22 | 2003-04-17 | Marton Milankovits | Pharmaceutical compositions primarily for the treatment of genitourinary infections |
US20050208152A1 (en) * | 1997-01-22 | 2005-09-22 | Marton Milankovits | Pharmaceutical compositions primarily for the treatment and prevention of genitourinary infections and their extragenital complications |
US20090074839A1 (en) * | 1997-01-22 | 2009-03-19 | Marton Milankovits | Pharmaceutical Compositions Primarily for the Treatment and Prevention of Genitourinary Infections and their Extragenital Complications |
US20090124593A1 (en) * | 1997-01-22 | 2009-05-14 | Milankovits Marton | Pharmaceutical Compositions Primarily for the Treatment and Prevention of Genitourinary Infections and their ExtraGenital Complications |
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US20050208152A1 (en) * | 1997-01-22 | 2005-09-22 | Marton Milankovits | Pharmaceutical compositions primarily for the treatment and prevention of genitourinary infections and their extragenital complications |
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